CN218118608U

CN218118608U - Sealing ring, converter and power equipment

Info

Publication number: CN218118608U
Application number: CN202222623782.7U
Authority: CN
Inventors: 林晓凯
Original assignee: Suzhou Huichuan Control Technology Co Ltd
Current assignee: Suzhou Huichuan Control Technology Co Ltd
Priority date: 2022-09-30
Filing date: 2022-09-30
Publication date: 2022-12-23
Anticipated expiration: 2032-09-30

Abstract

The utility model discloses a sealing washer, converter and power equipment, wherein, the sealing washer is applied to the converter, and the converter includes baffle and run-on board, and the run-on board passes the baffle, and the sealing washer is including sealed main part and spread groove structure, and the run-on board is located to sealed main part cover, and the concave lateral wall of locating sealed main part of spread groove structure, the spread groove structure is located to the baffle card. So, can be convenient for the staff to install the operation to the sealing washer, can improve staff's work efficiency when realizing sealed effect.

Description

Sealing ring, converter and power equipment

Technical Field

The utility model relates to a power electronic technology field, in particular to sealing washer, converter and power equipment.

Background

At present, have the baffle in the converter structure and separate into two cavitys with its inside installation cavity, one of them cavity is sealed cavity, is used for placing itself and does not have the power device that has sealed safeguard function, and another cavity is open type cavity, and open type cavity can communicate with the external world, is used for placing itself and has the power device that has sealed safeguard function, and wherein, the baffle between two cavitys can be worn to establish to the row of setting connection, plays the effect of connecting two cavity internal power devices.

When the baffle was worn to establish by the run-on, generally through fixed of threaded connection realization run-on and baffle, need seal the processing to the gap between run-on and the baffle, current sealing method irritates to establish sealed glue between run-on and baffle mostly and handles, but can have under the sealed mode of gluing that the volume is wayward and the colloid flows the scheduling problem easily, leads to staff's operation complicacy, influences work efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a sealing washer, aims at through setting up the junction between sealed main part sealing connection row and the baffle, and carries out the joint through spread groove structure and baffle to the realization is convenient operation under the circumstances of guaranteeing sealed effect, improves work efficiency.

In order to achieve the above object, the utility model provides a sealing washer is applied to the converter, the converter includes baffle and run-on, the run-on passes the baffle, the sealing washer is including sealed main part and spread groove structure, sealed main part cover is located the run-on, the concave lateral wall of sealed main part of locating of spread groove structure, the baffle card is located the spread groove structure.

Optionally, the connecting groove structure is circumferentially arranged along the circumference of the sealing main body.

Optionally, the sealing body has a first end and a second end disposed opposite to each other, and an outer diameter of the sealing body is gradually reduced in a direction from the first end to the second end.

Optionally, the sealing body includes at least two stages, at least two stages are stacked from the first end toward the second end, one stage is disposed at the first end, the other stage is disposed at the second end, and the partition abuts against the stage at the first end.

Optionally, the joint of two adjacent stages is a circular arc segment.

Optionally, the first end and the second end of the sealing body each have an opening, an opening of the second end is in interference fit with the connecting row, and a cross-sectional area of the opening of the first end is larger than a cross-sectional area of the connecting row.

Optionally, the sealing body is made of a silicon rubber material.

In order to achieve the above object, an embodiment of the present invention provides a converter, the converter includes the cabinet body, baffle, power component, run-on board and sealing washer, the internal installation cavity that is formed with of cabinet, the baffle is located in the installation cavity, in order to incite somebody to action sealed chamber and open chamber are separated into to the installation cavity, power component includes first power device and second power device, first power device is located sealed chamber, second power device locates open chamber, the one end of run-on board is connected first power device, the other end of run-on board passes the baffle with second power device connects, so that first power device with second power device electric connection, the sealing washer be as above the sealing washer, sealed main part cover is located the run-on board, the baffle card is located the spread groove structure.

Optionally, the partition plate includes a partition plate and an insulating plate mounted on the partition plate, the partition plate and the insulating plate together divide the mounting cavity into the sealed cavity and the open cavity, and the other end of the connection row passes through the insulating plate to connect to the second power device.

In order to achieve the above object, an embodiment of the present invention provides a power device, which includes the converter as described above.

The utility model discloses technical scheme is through being provided with the sealing washer, and the sealed main part of sealing washer can sealed connection row and the baffle between be connected in place make the staff in carrying out sealed operation process, only need establish sealed main part cover on the connection row, carry out the joint with spread groove structure and baffle again, just can realize sealing to the junction between connection row and the baffle, current sealed through sealed glue of comparing, the technical scheme of this application is convenient for the staff and installs the operation to the sealing washer, realize that the colleague of sealed effect can improve staff's work efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a hidden cabinet body and a partition plate of the converter shown in fig. 1;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

fig. 4 is a schematic connection diagram of a connection bank, a partition plate and a sealing ring of the inverter shown in fig. 2.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Sealing ring	320	Connecting row
10	Sealing body	330	Partition board
				30	Connecting groove structure	340	Insulating plate
50	First end	350	Partition board
				70	Second end	360	Cabinet body
90	Stage of stage	360a	Sealed cavity
				300	Current transformer	360b	Open cavity
310	First power device

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a sealing washer 100.

In the embodiment of the present invention, as shown in fig. 1 to fig. 4, the sealing ring 100 is applied to a converter 300, the converter 300 includes a partition plate 330 and a connecting bar 320, the connecting bar 320 passes through the partition plate 330, the sealing ring 100 includes a sealing main body 10 and a connecting groove structure 30, the connecting bar 320 is disposed on the sealing main body 10, the connecting groove structure 30 is disposed on the outer side wall of the sealing main body 10, and the partition plate 330 is clamped on the connecting groove structure 30.

In the present embodiment, the converter 100 may be an inverter, an energy storage converter 100, an inverter, or the like. It can be understood that the sealing body 10 can be sleeved on the connecting row 320 and connected with the partition 330 to seal the gap between the connecting row 320 and the partition 330, so as to prevent the external impurities such as water or dust from flowing into the gap. The connection bar 320 may play a role of transmission and electrical connection between two power devices, the type of the connection bar 320 may be a copper bar, an aluminum bar, or a copper-aluminum composite bar, which is not specifically limited herein, and when the connection bar 320 is a copper-aluminum composite bar, the connection bar has the advantages of conductivity of copper and low density of aluminum. Specifically, the material of the sealing ring 50 may be a silicone rubber material with elasticity, such as a silicone rubber material or an EPDM (Ethylene Propylene Diene Monomer ) material.

The technical scheme of this application is through being provided with the sealing washer 100 that can the junction between sealed coupling bar 320 and the baffle 330, so that the staff is in carrying out sealed operation in-process, only need establish sealed main part 10 cover on coupling bar 320, carry out the joint with spread groove structure 30 and baffle 330 again, just can realize the sealed to the junction between coupling bar 320 and the baffle 330, current comparing seals through sealed glue, the technical scheme of this application is convenient for the staff to carry out the installation operation to sealing washer 100, when realizing sealed effect, can improve staff's work efficiency. In addition, compare the fixed connection of the current needs through threaded connection realization run-on 320 and baffle 70, the scheme simple structure of this application need not extra adapting unit to staff's work efficiency has further been improved.

In an embodiment of the present invention, as shown in fig. 4, the connecting groove structure 30 is disposed around the sealing main body 10.

In this embodiment, through the circumferential surrounding setting with the connecting groove structure 30 along sealed main body 10 to make baffle 330 when the card is located the connecting groove structure 30, can realize the joint of baffle 330 with sealed main body 10 circumference, thereby further improve sealed main body 10 and baffle 330's fixed joint effect, and then improve sealed main body 10 and to the sealed effect of the junction between connecting row 320 and the baffle 330. Specifically, when the sealing body 10 is formed, the grooving operation can be directly performed along the circumferential direction of the sealing body 10, the shape is regular, and the injection molding production is easy, so that the processing production efficiency of a workshop for the sealing body 10 is improved.

In an embodiment of the present invention, as shown in fig. 2 to 4, the sealing body 10 has a first end 50 and a second end 70 disposed opposite to each other, and the outer diameter of the sealing body 10 gradually decreases in a direction from the first end 50 to the second end 70.

In this embodiment, it is understood that the first end 50 is the end proximate the sealed cavity 360a and the second end 70 is the end proximate the open cavity 360 b. Because the first power device 310 and the second power device connected at the two ends of the connection row 320 may have a machining size tolerance or a position installation tolerance, the existing scheme is to ensure sufficient allowance when the avoiding hole is formed, so that the connection row 320 can pass through the avoiding hole of the partition plate 330 after the connection of the first power device 310 or the second power device, the operation step of pouring the sealant in a matching manner is complicated, therefore, the outer diameter of the sealing main body 10 is gradually reduced along the direction from the first end 50 to the second end 70 in the present application, the sealing main body 10 can realize an elastic variable along multiple directions, a wrapping effect in multiple directions is given to the connection row 320, and even if there is a machining size error or a position installation error, the sealing main body 10 can still play a role in wrapping and sealing the connection row 320. Specifically, when the outer diameter of the seal body 10 is gradually reduced, the outer diameter may be gradually reduced in a tilted manner, or may be gradually reduced in a stepped manner, which is not particularly limited herein.

In an embodiment of the present invention, as shown in fig. 3 to 4, the sealing body 10 includes at least two stages 90, the at least two stages 90 are stacked from the first end 50 to the second end 70, one stage 90 is disposed at the first end 50, the other stage 90 is disposed at the second end 70, and the partition 330 abuts against the step 90 of the first end 50.

In this embodiment, it can be understood that, in the mode of at least two stage stages 90, the outer diameter of the sealing main body 10 is gradually reduced to be step-type gradual reduction, that is, the sealing main body 10 can be understood as a pagoda structure, and in the mode of step-type gradual reduction, the shaping effect of the sealing main body 10 can be improved, so that the stage stages 90 are not easily deformed, the wrapping effect on the connecting row 320 is ensured, and the sealing effect of the sealing main body 10 on the partition plate 330 and the connecting row 320 is improved.

Specifically, the number of the step sections 90 may be two, three, or four, etc., and is not particularly limited herein, as long as it is ensured that the outer diameters of the adjacent two step sections 90 are gradually reduced in the direction from the one end 50 toward the second end 70.

In an embodiment of the present invention, as shown in fig. 3 to fig. 4, the joint of two adjacent stages 90 is a circular arc segment.

In this embodiment, in order to be convenient for further to the processing production of sealed main part 10, consequently this application is the circular arc section through setting up two adjacent stage 90's junctions, realizes two adjacent stage 90's circular arc transition to be convenient for better to the processing production of sealed main part 10, under two stage 90's circular arc transition simultaneously, can make the staff difficult by the fish tail when contacting junction between the two.

In an embodiment of the present invention, as shown in fig. 4, the first end 50 and the second end 70 of the sealing main body 10 both have openings, an opening of the second end 70 is interference-fitted with the connecting row 320, and the cross-sectional area of the opening of the first end 50 is larger than the cross-sectional area of the connecting row 320.

In this embodiment, under an opening of second end 70 and the 320 interference fit of bank of connections, can guarantee that an opening of second end 70 butts the bank of connections 320 all the time, guarantee the parcel effect to the bank of connections 320, and under the open-ended cross sectional area of first end 50 was greater than the cross sectional area's of bank of connections 320 the condition, namely, the inside of first end 50 is the cavity setting, make the inside of first end 50 have sufficient space and can take place elastic deformation, be convenient for under the staff realizes the butt condition of sealed main part 10 and baffle 330, can play the buffering effect to baffle 330.

In an embodiment of the present invention, the sealing body 10 is made of silicon rubber.

In this embodiment, because the heat generating devices such as the first power device 310 and the second power device in the converter 300 generate heat during the operation, in order to ensure that the sealing main body 10 has the characteristic of high temperature resistance, the silicone rubber material is selected as the material of the sealing main body 10 in the present application, so that the sealing main body 10 made of the silicone rubber material has the effect of high temperature resistance, and has the characteristic of high flame retardance at the same time, so as to achieve the flame retardant rating of UL 94V-0, and in addition, has the characteristic of high pressure resistance, and can reach the level of bearing 1500V voltage.

Furthermore, the utility model also provides a converter 300, it is shown in combination fig. 1 to fig. 4, this converter includes the cabinet body 360, baffle 330, power component, link bar 320 and sealing washer 100, the internal installation cavity that is formed with of cabinet, baffle 330 is located in the installation cavity, in order to separate into sealed cavity 360a and open cavity 360b with the installation cavity, power component includes first power device 310 and second power device, sealed cavity 360a is located to first power device 310, open cavity 360b is located to the second power device, first power device 310 is connected to the one end of link bar 320, the other end of link bar passes baffle 330 and is connected with the second power device, so that first power device 310 and second power device electric connection, sealing washer 100 is sealing washer 100 as above, link bar 320 is located to sealed main part 10 covers, the baffle 330 card is located spread groove structure 30.

It should be noted that, the detailed structure of the seal ring 100 can refer to the embodiment of the seal ring 100, and is not described herein again; because the utility model discloses an above-mentioned sealing washer 100 has been used in converter 300, consequently, the utility model discloses a sealing washer 100's embodiment includes all technical scheme of the whole embodiments of above-mentioned sealing washer 100, and the technological effect that reaches is also identical, and is no longer described herein.

In this embodiment, it can be understood that the first power device 310 is a power device that does not have a sealing protection function, and therefore needs to be placed in the sealed cavity 360a to be sealed and protected, and the second power device is a power device that has a sealing protection function, and therefore needs to be placed in the open cavity 360b to be sealed and protected by virtue of its sealing protection function. When the connection bank 320 connects the first power device 310 and the second power device, respectively, it can function as a transmission electrical connection for both.

In an embodiment of the present invention, as shown in fig. 1 to fig. 3, the partition board 330 includes a partition board 350 and an insulating board 330 installed on the partition board 350, the partition board 350 and the insulating board 330 divide the installation cavity into a sealed cavity 360a and an open cavity 360b, and the other end of the connecting bar 320 passes through the insulating board 330 to connect the second power device.

In this embodiment, it can be understood that the partition 330 may be made of a metal material to achieve stability and connection strength when the partition 330 is installed in the installation cavity, but because the connection row 320 needs to be insulated from the partition 330 when passing through the partition 330, the partition 350 and the insulation plate 340 are separately provided, the partition 350 may be made of a metal material, such as an aluminum alloy material, and the partition 340 may be made of an insulation material, such as a plastic material, so that the connection strength of the partition 350 is ensured, and at the same time, the connection row 320 may have an insulation effect when passing through the insulation plate 340. The number of the insulating plates 340 may be one or more, and the number of the insulating plates 340 is not particularly limited.

Further, as shown in fig. 1 to 2, a plurality of connection rows 320 and a plurality of seal rings 100 are provided, the connection rows 320 are arranged at intervals along the length direction of the insulating plate 340, and one connection row 320 is disposed corresponding to one seal ring 100. In order to meet the connection requirement between the actual first power device 310 and the actual second power device, the number of the connection bars 320 is increased, and the connection bars 320 can penetrate through one insulation board 340, so that under the condition that the number of the connection bars 320 is increased, the connection bars 320 can be arranged at intervals along the length direction of the insulation board 340, and when the connection bars pass through the insulation board 340, the connection bars 320 are guaranteed to be sealed by corresponding sealing rings 100, and a good sealing effect is guaranteed.

Furthermore, the present invention also provides a power equipment (not shown in the figure) comprising the converter 300 as described above.

It should be noted that, the detailed structure of the current transformer 300 can refer to the above embodiment of the current transformer 300, and is not described herein again; because the utility model discloses an above-mentioned converter 300 has been used among the power equipment, consequently, the utility model discloses an embodiment of converter 300 includes all technical scheme of the whole embodiments of above-mentioned converter 300, and the technological effect that reaches is also identical, no longer gives unnecessary details here.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. A sealing washer is applied to converter, its characterized in that, the converter includes baffle and run-on, the run-on passes the baffle, the sealing washer includes:

the sealing main body is sleeved on the connecting row; and

the connecting groove structure is concavely arranged on the outer side wall of the sealing main body, and the partition plate is clamped on the connecting groove structure.

2. The seal ring of claim 1 wherein said attachment groove structure is circumferentially disposed about said seal body.

3. The seal ring of claim 1, wherein the seal body has first and second oppositely disposed ends, the seal body having an outer diameter that decreases in a direction from the first end toward the second end.

4. The seal ring according to claim 3, wherein said seal body includes at least two stages, at least two of said stages being stacked from said first end toward said second end, one of said stages being disposed at said first end and the other of said stages being disposed at said second end, said diaphragm abutting said stage at said first end.

5. The seal ring according to claim 4, wherein the joint between two adjacent stages is a circular arc segment.

6. The seal ring as claimed in claim 3 wherein each of said first and second ends of said seal body has an opening, an opening of said second end having an interference fit with said connecting row, said opening of said first end having a cross-sectional area greater than a cross-sectional area of said connecting row.

7. A seal ring according to any one of claims 1 to 6, wherein said seal body is of silicone rubber.

8. A current transformer, comprising:

the refrigerator comprises a cabinet body, a door body and a door body, wherein a mounting cavity is formed in the cabinet body;

the partition plate is arranged in the installation cavity to divide the installation cavity into a sealing cavity and an open cavity;

the power assembly comprises a first power device and a second power device, the first power device is arranged in the sealed cavity, and the second power device is arranged in the open cavity;

one end of the connecting bar is connected with the first power device, and the other end of the connecting bar penetrates through the partition board to be connected with the second power device, so that the first power device is electrically connected with the second power device; and

the sealing ring according to any one of claims 1 to 7, wherein the sealing body is sleeved on the connecting row, and the partition plate is clamped in the connecting groove structure.

9. The current transformer of claim 8, wherein the partition plate comprises a partition plate and an insulating plate mounted to the partition plate, the partition plate and the insulating plate together dividing the mounting cavity into the sealed cavity and the open cavity, the other end of the connection bank passing through the insulating plate to connect to the second power device.

10. An electric power apparatus, characterized in that the electric power apparatus comprises a converter according to any of claims 8-9.